org.apache.ignite.configuration

Interface QueryEngineConfiguration

All Known Implementing Classes:

CalciteQueryEngineConfiguration, IndexingQueryEngineConfiguration

public interface QueryEngineConfiguration

Interface for the configuration of the query engine.

Method Summary

Modifier and Type	Method and Description
boolean	isDefault() Is this query engine should be used by default.
QueryEngineConfiguration	setDefault(boolean isDflt) Sets whether this query engine should be used by default.

Method Detail

setDefault

QueryEngineConfiguration setDefault(boolean isDflt)

Sets whether this query engine should be used by default.

There can be only one query engine configuration with the default flag.

If there is no configuration with the default flag, the query engine provided by the ignite-indexing module will be used by default (if configured). If there is no configuration for the ignite-indexing module engine exists, the first engine from the query engines configuration will be used.

Parameters:

isDflt - True if this query engine should be used by default.

Returns:

this for chaining.

isDefault

boolean isDefault()

Is this query engine should be used by default.

Returns:

True if this query engine is default.